Liquid metal discovery paves way for shape-shifting robots

It may look like nothing more than a small ball of metal, but the shape-shifting and self-propulsion abilities of a liquid metal alloy discovered by scientists at China's Tsinghua University has captured the imaginations of scientists and science-fiction fans across the world. Professor Liu Jing and his team have created what they believe could prove the first step toward developing a robot similar to the infamous T-1000 shape-shifting, liquid metal assassin from the Terminator movies. The device is made from a drop of metal alloy consisting mostly of gallium, which is a liquid at just under 30 degrees Celsius. When the current was switched off, the metal returned to its original drop shape.



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